﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using CapstoneWinPhone.Data;
using CapstoneWinPhone.ViewModels;
using System.IO.IsolatedStorage;
using System.IO;
using System.Xml.Serialization;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using System.Net.NetworkInformation;
using Microsoft.Phone.Controls.Maps;
using Microsoft.Phone.Controls.Maps.Platform;


namespace CapstoneWinPhone
{
    public partial class App : Application
    {
        private static MainViewModel _viewModel = null;
        public static GpsModel GpsModel = new GpsModel();
        private const string FileNameUser = "UsersList.dat";

        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = true;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Disable the application idle detection by setting the UserIdleDetectionMode property of the
                // application's PhoneApplicationService object to Disabled.
                // Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }

        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
            GetFromIsolatedStorage();
            DummyUser();
        }

        private void GetFromIsolatedStorage()
        {
            using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
            {
                GetListsFromIsolatedStorage(isf);
            }
        }

        private void GetListsFromIsolatedStorage(IsolatedStorageFile isf)
        {
            List<User> userList;
            if (isf.FileExists(FileNameUser))
            {
                using (IsolatedStorageFileStream isfs = new IsolatedStorageFileStream(FileNameUser, FileMode.OpenOrCreate, isf))
                {
                    //Read the file contents and try to deserialize it back to data object
                    XmlSerializer ser = new XmlSerializer(typeof(List<User>));
                    object obj = ser.Deserialize(isfs);

                    if (null != obj && obj is List<User>)
                        userList = obj as List<User>;
                    else
                        userList = new List<User>();
                }

                isf.DeleteFile(FileNameUser);
            }
            else
            {
                userList = new List<User>();
            }

            DataHolder.users = userList;
        }
        private void DummyUser()
        {
            DataHolder.newUser("hfrede", "pass", "slai47@live.com");

            //Expense Logs
            DataHolder.newExpenseLog("Capstone");
            DataHolder._currentExpenseLog.AddExpenseToList("Domain name", 11.00, "dotnet-host.com");
            DataHolder._currentExpenseLog.AddExpenseToList("Server hosting", 2.00, "dotnet-host.com");
            DataHolder._currentExpenseLog.AddExpenseToList("Mac Book Pro", 1678.47, "Apple");
            DataHolder._currentExpenseLog.AddExpenseToList("Gas", 35.72, "Costco");
            DataHolder._currentExpenseLog.AddExpenseToList("Gas", 42.47, "BP");
            DataHolder._currentExpenseLog.AddExpenseToList("Lunch", 5.73, "Barbacoa");
            DataHolder._currentExpenseLog.AddExpenseToList("Gas", 52.61, "BP");
            DataHolder.newExpenseLog("May");
            DataHolder._currentExpenseLog.AddExpenseToList("Ticket home the 19th of June", 412.76, "StudentUniverse");
            DataHolder._currentExpenseLog.AddExpenseToList("Phone bill", 47.42, "Verizon");
            DataHolder._currentExpenseLog.AddExpenseToList("Gas", 58.61, "BP");
            DataHolder._currentExpenseLog.AddExpenseToList("lunch with clients", 39.23, "Zuppas");            
            

            //mileage reports
            DataHolder.newMileageReport("AprilMR", "");
            Location l = new Location();
            l.Latitude = 40.55659128;
            l.Longitude = -111.9112014;
            
            Location l2 = new Location();
            l2.Latitude = 40.54860245;
            l2.Longitude = -111.90304756;
            
            LocationCollection lc = new LocationCollection();
            lc.Add(l);
            lc.Add(l2);
            DataHolder._currentMileageReport.newTrip(lc, "");

            LocationCollection lc5 = new LocationCollection();
            lc5.Add(l);
            lc5.Add(l2);
            lc5.Add(l);
            lc5.Add(l2);
            lc5.Add(l);
            lc5.Add(l2);
            lc5.Add(l);
            lc5.Add(l);
            lc5.Add(l2);
            lc5.Add(l);
            lc5.Add(l2);
            DataHolder._currentMileageReport.newTrip(lc5, "");

            LocationCollection lc2 = new LocationCollection();
            lc2.Add(l);
            lc2.Add(l2);
            lc2.Add(l);
            lc2.Add(l2);
            DataHolder._currentMileageReport.newTrip(lc2, "");

            LocationCollection lc3 = new LocationCollection();
            lc3.Add(l);
            lc3.Add(l2);
            lc3.Add(l);
            lc3.Add(l2);
            lc3.Add(l);
            lc3.Add(l2);
            lc3.Add(l);
            DataHolder._currentMileageReport.newTrip(lc3, "");

            LocationCollection lc4 = new LocationCollection();
            lc4.Add(l);
            lc4.Add(l2);
            lc4.Add(l);
            lc4.Add(l2);
            lc4.Add(l);
            lc4.Add(l2);
            lc4.Add(l); 
            lc4.Add(l);
            lc4.Add(l2);
            lc4.Add(l);
            lc4.Add(l2);
            lc4.Add(l);
            lc4.Add(l2);
            lc4.Add(l);
            DataHolder._currentMileageReport.newTrip(lc4, "");



            DataHolder.newMileageReport("MayMR","");
            DataHolder._currentMileageReport.newTrip(lc4, "");
            DataHolder._currentMileageReport.newTrip(lc, "");
            DataHolder._currentMileageReport.newTrip(lc2, "");
            DataHolder._currentMileageReport.newTrip(lc3, "");


            //timestamps
            WeeklyTimeStamps wts = new WeeklyTimeStamps(17);
            wts.CreateFinishTimestamp();
            wts.CreateFinishTimestamp();
            wts.CreateFinishTimestamp();
            wts.CreateFinishTimestamp();
            DataHolder._currentUser._WeeklyTimeStamps.Add(wts);
            for(int i = 0; i < 16; i++)
                DataHolder._currentWeeklyTimestamp.CreateFinishTimestamp();


        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            GetFromIsolatedStorage();
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
            SaveToIsolatedStorage();
            if (NetworkInterface.GetIsNetworkAvailable())
            {
                SaveToService();
            }
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
           SaveToIsolatedStorage();

        }

        private void SaveToIsolatedStorage()
        {
            using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
            {
                //If user choose to save, create a new file
                using (IsolatedStorageFileStream fs = isf.CreateFile(FileNameUser))
                {
                    XmlSerializer ser = new XmlSerializer(typeof(List<User>));
                    ser.Serialize(fs, DataHolder.users as List<User>);
                }
            }
        }

        private void SaveToService()
        {
            try
            {
                DataContractJsonSerializer jser = new DataContractJsonSerializer(typeof(Abstract.User));
                foreach (User u in DataHolder.users)
                {
                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://workhelper.net/WorkHelperService.svc/saveUser");
                    request.Method = "POST";
                    request.ContentType = "application/json";
                    request.BeginGetRequestStream(new AsyncCallback(writeInData), request);

                }
            }
            catch (IOException)
            {

            }
            catch (ArgumentNullException)
            {

            }
        }

        private void writeInData(IAsyncResult aresult)
        {
            HttpWebRequest request = (HttpWebRequest)aresult.AsyncState;
            Stream postdata = request.EndGetRequestStream(aresult);

            FileStream fs = new FileStream(FileNameUser, FileMode.Open);
            List<byte> userinfo = new List<byte>();
            while (fs.CanRead)
            {
                userinfo.Add((byte)fs.ReadByte());
            }
            byte[] userinfobytes = userinfo.ToArray();
            postdata.Write(userinfobytes, 0, userinfobytes.Length);
            postdata.Close();
            
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        public static MainViewModel ViewModel
        {
            get
            {
                // Delay creation of the view model until necessary
                if (_viewModel == null)
                    _viewModel = new MainViewModel();

                return _viewModel;
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion
    }
}